1. Dermatology and Skin Cancer Unit; Arcispedale S. Maria Nuova; IRCCS; Viale Risorgimento 80 42100 Reggio Emilia Italy
2. Dermatology Unit; University of Modena and Reggio Emilia; Modena Italy
3. Department of Dermatology; Sheba Medical Center and Sackler School of Medicine; Tel Aviv University; Tel Aviv Israel